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Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910: Part 1. -- Analyses
From Significance and value of Analyses of Coal: "The analyses published in this report cover samples of coal collected in many different parts of the country with unusual care by experiences men, in such manner as to make them representative of extensive beds of coal."
Date:
1913
Creator:
Lord, N. W.
Object Type:
Report
System:
The UNT Digital Library
Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910 Part 2. Descriptions of Samples
From Introduction: "This volume contains the descriptions of the samples whose analyses are published in the preceding volume, Part I of this bulletin. The descriptions have been compiled from the notebooks of the persons who collected the samples, have been condensed from accounts given in published reports of the United States Geological Survey, or have furnished by the collection themselves. Inasmuch as the descriptions represent the work of many persons during a period of six years, and inasmuch as they were recorded under widely differing conditions, they necessarily vary in fullness detail."
Date:
1913
Creator:
Lord, N. W.
Object Type:
Report
System:
The UNT Digital Library
Fighting a Fire in Number 59 Mine, Peabody Coal Company, Springfield, Sangamon County, Illinois
Report issued by the U.S. Bureau of Mines discussing an electrical fire in the No. 59 mine in Springfield, Illinois. Details surrounding the fire are presented. This report includes tables, maps, and illustrations.
Date:
April 1950
Creator:
O'Connor, J. A.; Malesky, J. S. & Higgins, T. C.
Object Type:
Report
System:
The UNT Digital Library
Safety-Catch for Mine-Cages
Patent for a safety catch to stop falling mine cages.
Date:
December 29, 1908
Creator:
Martini, Henry
Object Type:
Patent
System:
The Portal to Texas History